Multi-function pen



FIG. 1 is a front, bottom perspective view of a multi-function pen showing my new design.

FIG. 2 is a front, top perspective view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a front elevational view thereof.

FIG. 6 is a left side elevational view thereof.

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a right side elevational view thereof. 

The ornamental design for a multi-function pen, as shown and described. 